deps: upgrade V8 to 4.7.80.24

Pick up the latest branch head for V8 4.7:
https://github.com/v8/v8/commit/be169f8df059040e6a53ec1dd4579d8bca2167b5

Full change history for the 4.7 branch:
https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.7

V8 blog post about what is new on V8 4.7:
http://v8project.blogspot.de/2015/10/v8-release-47.html

PR-URL: https://github.com/nodejs/node/pull/4106
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/deps/v8/test/cctest/cctest.cc b/deps/v8/test/cctest/cctest.cc
index 72be29c383..05f276d3f4 100644
--- a/deps/v8/test/cctest/cctest.cc
+++ b/deps/v8/test/cctest/cctest.cc
@@ -173,6 +173,20 @@ int main(int argc, char* argv[]) {
 #endif  // V8_CC_MSVC
 #endif  // V8_OS_WIN
 
+  // hack to print cctest specific flags
+  for (int i = 1; i < argc; i++) {
+    char* arg = argv[i];
+    if ((strcmp(arg, "--help") == 0) || (strcmp(arg, "-h") == 0)) {
+      printf("Usage: %s [--list] [[V8_FLAGS] CCTEST]\n", argv[0]);
+      printf("\n");
+      printf("Options:\n");
+      printf("  --list:   list all cctests\n");
+      printf("  CCTEST:   cctest identfier returned by --list\n");
+      printf("  D8_FLAGS: see d8 output below\n");
+      printf("\n\n");
+    }
+  }
+
   v8::V8::InitializeICU();
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);